Mathbox for Giovanni Mascellani |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > botel | Structured version Visualization version Unicode version |
Description: An inference for bottom elimination. (Contributed by Giovanni Mascellani, 24-May-2019.) |
Ref | Expression |
---|---|
botel.1 |
Ref | Expression |
---|---|
botel |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | botel.1 | . 2 | |
2 | falim 1498 | . 2 | |
3 | 1, 2 | syl 17 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wfal 1488 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-tru 1486 df-fal 1489 |
This theorem is referenced by: (None) |
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